This well-maintained two-family side-by-side duplex, built in 1983, is ideally located on a quiet street in Port Washington. Set on a 54 x 100 lot, each unit offers 2 bedrooms and 2.5 baths with a thoughtfully designed layout. The first floor features a spacious living room with cathedral ceilings and a wood-burning fireplace, a formal dining room with access to a large deck, and a bright kitchen alongside a powder room. Upstairs, the primary bedroom boasts vaulted ceilings, complemented by an additional bedroom and full hall bath. Beautiful hardwood floors run throughout the first and second levels. Each unit also includes a full finished basement with laundry, utilities, and ample storage. Roof - 4 yrs old. Unit B has been fully renovated with a modern kitchen, updated appliances, and newly finished baths. Additional updates include a 5-year-old boiler, two newer A/C units (2 years old), fresh paint, and refinished hardwood floors. Perfectly situated close to parks, town, shops, restaurants, and the LIRR, this property offers both strong rental potential and long-term value.